在信号处理里面，面对信号复杂奇异等问题，我们提出一种LMD+JADE的分解方法。先是对信号进行局部均值分解，进行升维，在用盲源分离方法进行特征提取。-In signal processing, the problem such as singular signal complexity, we propose a method of decomposition of LMD+ JADE. First the local mean decomposition of signals, l d, in